What is the difference between MERV 8 and MERV 13?
MERV 8s will collect particles as small as three microns, which is an excellent choice for home owners. This is a good performance level for the average home. The MERV 13 can collect particles as small as . They remove dust and allergens so well that they pack with dust much faster than a standard MERV 8.
What does MERV 8 mean?
MERV 8 filters have 90 percent efficiency on particles that are 3 to 10 micrometers in size. MERV 1 to 4 – effective at controlling larger particles such as, sanding dust, spray paint dust, lint and carpet fibers. Another factor driving the popularity of MERV 8 filters is that they are inexpensive and easily serviced.
What is the efficiency of a MERV 8 filter?
What is a MERV rating?
| MERV Rating | Average Particle Size Efficiency in Microns |
|---|---|
| 6 | 3.0 – 10.0 49.9% |
| 8 | 3.0 – 10.0 84.9% |
| 10 | 1.0 – 3.0 50% – 64.9%, 3.0 – 10.0 85% or greater |
| 12 | 1.0 – 3.0 80% – 89.9%, 3.0 – 10.0 90% or greater |
What is the lowest MERV rating?
What do the MERV ratings mean?
- 1-4 MERV – This is the lowest end of filters.
- 5-8 MERV – Air filters with MERV ratings of 5-8 last longer than their less expensive counterparts.
- 9-12 MERV – These filters are more efficient and usually offer the best indoor air quality improvement for residential applications.
What is the difference between MERV 7 and MERV 8?
MERV rating 5-8 A MERV 5 filter will trap up to 34%, MERV 6 will stop 35-49%, MERV 7 will prevent up to 69%, and MERV 8 will catch up to 85% of particles. These filters are slightly more restrictive than the MERV 1-4 filters and have the ability to catch mold spores and some pet dander along with dust and pollen.
Is MERV 8 or 11 better?
In summary, a MERV 8 is a good air filter option, but for the cleanest air, go with a MERV 11.
What MERV rating catches coronavirus?
Filters with MERV-13 or higher ratings can trap smaller particles, including viruses. Many home HVAC systems will have a MERV-8 filter installed as the default.
Is MERV 7 good enough?
For most residential systems, experts suggest using an air filter with a MERV value between 7 and 12. These filters offer adequate filtration and remove common contaminants such as pollen, mold spores, dust, pet dander, and tobacco smoke.
